## Foundations of colloid science, Volume 2 |

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Page 1003

(a) Relation between shear stress and shear rate for a

time taken between successive changes in the shear rate. The material is

assumed to have a relaxation time of about 10-20 seconds and it is assumed that

after ...

(a) Relation between shear stress and shear rate for a

**thixotropic**fluid, t is thetime taken between successive changes in the shear rate. The material is

assumed to have a relaxation time of about 10-20 seconds and it is assumed that

after ...

Page 1004

(Section l.S.S), and in some food, pharmaceuticals, and cosmetic products. It is

also a common and increasingly important characteristic of paints. In engineering

...

**Thixotropy**has been observed in crude oils, in bentonite (montmoril- lonite) clays(Section l.S.S), and in some food, pharmaceuticals, and cosmetic products. It is

also a common and increasingly important characteristic of paints. In engineering

...

Page 1047

For the heavy

10-I4s_1 and Jt2 = 0.94 x 10-3s_1 so that the 'equilibrium constant' for eqn (18.10

.18), K = kjk2= 1.29 x 10_u. The very low value of k^ indicates why the material is

...

For the heavy

**thixotropic**mineral oil used in their studies they found kx = 1.21 x10-I4s_1 and Jt2 = 0.94 x 10-3s_1 so that the 'equilibrium constant' for eqn (18.10

.18), K = kjk2= 1.29 x 10_u. The very low value of k^ indicates why the material is

...

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### Contents

INTRODUCTION TO STATISTICAL MECHANICS | 675 |

ADSORPTION FROM SOLUTION | 709 |

THE ELECTROKINETIC EFFECTS | 786 |

Copyright | |

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### Common terms and phrases

adsorbed adsorption approximation assumed behaviour bulk calculated Chapter Chem co-surfactant coagulation coalescence Colloid interface Sci colloidal dispersion colloidal particles compare with eqn component constant correlation function corresponding counterions curve diameter diffuse dilute double layer droplets effect electrical electrokinetic electrolyte electrolyte concentration electrostatic emulsion equilibrium Establish eqn estimate Exercise experimental Faraday ferrofluid field film flow fluid force free energy given hard sphere head group Hunter hydrophilic increases interaction latex liquid magnetic measured micelles microemulsion molecules neutron Newtonian fluid non-ionic surfactant Note obtained occur Ottewill Overbeek pair parameters phase Phys plane Poisson-Boltzmann equation polymer potential potential determining ions pressure procedure pseudoplastic radius region repulsion result scattering shear rate shear stress shown in Fig solution specific adsorption spherical stability surface charge surfactant suspension temperature thermodynamic thin thixotropic values velocity visco-elastic viscometer viscosity volume fraction Waals zero